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conference microphone units d44 series chairman and delegate unit

AVCiT Conference Microphone units-D44 series chairman and delegate unit

AVCIT D4402 and D4403 is speech unit with LED display, D4402 is speech unit for chairman, while D4403 is speech unit for delegate, simply push and talk. Speaker and headphone jack built-in, with volum...

AVCIT D4402 and D4403 is speech unit with LED display, D4402 is speech unit for chairman, while D4403 is speech unit for delegate, simply push and talk. Speaker and headphone jack built-in, with volume control knob, DSP processing ensure high-fidelity voice, compact and stylish.

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Specification

Features

Schematic

Specification of D44 series chairman and delegate unit

Power DC24V

Unit interface DIN8P interface

Power 3W

Headset output 9dBu,8-32Ω,3.5mm mini jack

Speaker power 2W

Microphone type Capacitive diaphragm Point heart-shaped

S/N >80dB

Crosstalk attenuation >80dB

Distortion <0.10%

Frequency response 60-8kHz

Equivalent noise ≈20dBSPL

Maximum SPL 105dB(3% threshold)

Sensitivity -22dBv/Pa

Dimensions 213*145*70mm

Color Silver Black

Features of Microphone unit D44 series

Features of Microphone unit D44 series

Exquisite and elegant desktop style, with LED displaying the name of speaker;

Built-in speaker and headphone jack, with volume control knob;

Features of Microphone unit D44 series

Removable microphone with circular LED indicator on while speech,

Push and talk, with feature of howling suppression, Built-in speakers automatically shut down while pushing and talking;

Features of Microphone unit D44 series

Chairman unit has priority to talk and shut down all delegate units .

Powered by conference console, input voltage 24V.

Features of Microphone unit D44 series

With AVCIT’s 8-PIN DCN cable, greatly reduces the interference of electromagnetic;

Chairman unit can be anyplace;

Connected in series, easy to install and maintain;

Schematic of Conference system

Schematic of Conference system

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Schematic of Conference system

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